.page-content{
    overflow: hidden;
    background: #14223d;
}
.invite_arrow{
    position: absolute;
    top: 5px;
    right: 5px;
    width: 5rem;
}
.content_img{
    width: 100%;
}
.QR_code_img{
    position: absolute;
    width: 3rem;
    top: 8.56rem;
    left: 50%;
    margin-left: -1.5rem;
}